Brominated polystyrene BPS CAS 88497-56-7 is a kind of new-type bromine flame-retardant materials, it is formed with PS catalysis by the bromine and crushed to become Whitish powder, It is high flame-retardant, hot stability, and engineering plastics compatibility is good, , toxicity is low, It is particularly suitable for engineering plasticapplications such as polyesters (PET, PBT, PCT) and polyamides (nylons).It has outstanding thermal stability. It is an ideal choice for high temperature applications such as engineering plastics.